The main purpose of this study was to conduct a validation analysis of student surveys of teaching effectiveness implemented at Bangkok University, Thailand. This study included three phases; survey development, a pilot study, and a full implementation study. Four sources of validity evidence were collected to support intended interpretations and…

This article presents our work in translating the Mathematics Teaching Efficacy Beliefs Instrument (MTEBI) from English to Thai and our resulting investigation of validity with Thai preservice teachers. The translation process occurred over several meetings between two U.S. mathematics educators and one Thai mathematics educator. To check for…

This is a semester-long experimental study aimed at investigating the effects of a PBL (Problem-based Learning) approach on the English oral language performances of English major students in one of the private universities in Bangkok. For the purpose of the study, a systematic PBL model for English language classrooms was implemented.…